Home / 7,334.88-10,119.48-4,189.26

Finding the Fourth Proportional to 7,334.88, 10,119.48 and 4,189.26

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Solution

The fourth proportional to 7,334.88, 10,119.48 and 4,189.26 is: 5,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.88 : 10,119.48 = 4,189.26 : x
  2. Step 2: Convert to fraction form
    7,334.88/10,119.48 = 4,189.26/x
  3. Step 3: Cross multiply
    7,334.88x = 10,119.48 × 4,189.26
  4. Step 4: Simplify right side
    7,334.88x = 42,393,132.78
  5. Step 5: Solve for x
    x = 42,393,132.78/7,334.88
  6. Step 6: Final answer
    x = 5,779.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.